So Maleria asks for a Telenine Sword, I buy one, click Finish Quest, get sql error then 404 saying I don't have the item needed when I refresh the page. The sword disappears from my inventory but the quest is still active. She hoarding those swords or what?

If you haven't already, please file a ticket.

Was this ever resolved for you?

Since there's been no response, I am going to go ahead and lock up this thread. As previously mentioned, please file a ticket if you have no done so already.